International Psoriasis Council

Advancing Knowledge. Improving Care.

Juan Raul

Castro Ayarza

,

MD, MS

Dermatologist
Universidad Nacional de Colombia. Grupo colombiano de psoriasis COLPSOR
Bogotá
,
Colombia
Councilor Since: December 4, 2024
IPC Councilor
Dr. Juan Raul Castro Ayarza is an experienced dermatologist with 15 years dedicated to managing immune-mediated skin diseases. He serves as an assistant professor at the National University of Colombia, where he is also the Chief of the Dermatology Program. Additionally, he leads a clinical program specializing in the treatment of psoriasis and other inflammatory skin conditions.

Dr. Castro Ayarza holds a Master’s degree in Epidemiology and is an active member of several dermatological associations. He is a former president of the Colombian Psoriasis Group and has contributed as the lead editor of both local and international treatment guidelines. He regularly presents at national and Latin American dermatology congresses.
Last Updated:
01/27/2025

IPC Committees / Groups

Latin America Working Group

Languages Spoken

English, Spanish

Involvement with Other Organization(s)

Dr. Castro Ayarza has worked with a Colombian group of patients with psoriasis, FUNDAPSO.

What's New

First-Line Biologics in Psoriasis: Evidence from the BADBIR Cohort Study

In this IPC commentary, Matias Maskin examines evidence from the BADBIR registry demonstrating that first-line biologic therapy in moderate to severe psoriasis leads to faster skin clearance, improved quality of life, and a lower risk of comorbidities. The analysis challenges traditional step-up approaches and supports earlier, patient-centered treatment strategies.

Read More »

Recent Advances in Psoriasis: A Year in Review

In this Take Ten with IPC video, Dr. Leandro Leite discusses the most recent advances in psoriasis over the last year (March 2025 – March 2026). Topics include new guidelines, research, and recent studies.

WATCH NOW

Monday, April 6, 2026